Can you tell me about tourettes?

Tourette Syndrome is: a neurological disorder characted by repetitive, stereotypic, involuntary motor movements & sounds called motor & vocal tics that have lasted at least a year without more than a 2-month period without tics. It is often associated with ADHD & OCD. It usually starts in childhood & is 3-4 times more common in boys than girls. Tics may peak before puberty & abate in adolescence or young adulthood.